handle HsCase's that have not been wrappen in AsPats
handle HsCase's that have not been wrappen in AsPats

darcs-hash:20060308012829-1a7c6-9b2b924a5bb7f1eb8113b0beac206b7730dda816

jimcrayne/jhc,jimcrayne/jhc,jimcrayne/jhc,jimcrayne/jhc